Most often in February, 26 days.
Highest follower count seen that year: 3,235.
January
Jan 4 13:00–15:00, 19:00–23:00 Jan 5 13:00–18:00 Jan 6 13:00–19:00 Jan 7 13:00–18:00 Jan 8 13:00–18:00 Jan 9 13:00–19:00 Jan 10 13:00–19:00 Jan 11 14:00–24:00 Jan 12 13:00–24:00 Jan 13 13:00–18:00 Jan 14 14:00–19:00 Jan 15 13:00–19:00 Jan 16 13:00–19:00 Jan 17 13:00–14:00, 16:00–19:00 Jan 18 14:00–18:00, 20:00–23:00 Jan 20 13:00–19:00 Jan 21 13:00–19:00 Jan 22 13:00–19:00 Jan 23 13:00–19:00 Jan 24 13:00–19:00 Jan 25 14:00–15:00, 17:00–18:00, 20:00–23:00 Jan 27 13:00–19:00 Jan 28 13:00–19:00 Jan 29 13:00–19:00 Jan 30 13:00–19:00 Jan 31 15:00–19:00
February
Feb 1 14:00–24:00 Feb 3 13:00–19:00 Feb 4 12:00–20:00 Feb 5 13:00–19:00 Feb 6 13:00–18:00 Feb 7 13:00–19:00 Feb 8 14:00–18:00, 20:00–22:00 Feb 9 13:00–19:00 Feb 10 13:00–19:00 Feb 11 13:00–19:00 Feb 12 13:00–19:00 Feb 13 14:00–19:00 Feb 14 13:00–19:00 Feb 15 14:00–17:00, 20:00–24:00 Feb 17 14:00–19:00 Feb 18 13:00–19:00 Feb 19 13:00–19:00 Feb 20 13:00–19:00 Feb 21 13:00–19:00 Feb 22 14:00–17:00, 19:00–24:00 Feb 23 14:00–15:00, 17:00–19:00 Feb 24 13:00–18:00 Feb 25 13:00–19:00 Feb 26 13:00–19:00 Feb 27 13:00–19:00 Feb 28 13:00–19:00
March
Mar 1 15:00–18:00, 20:00–23:00 Mar 3 13:00–17:00 Mar 4 13:00–19:00 Mar 5 14:00–19:00 Mar 6 13:00–19:00 Mar 7 13:00–19:00 Mar 8 14:00–18:00, 21:00–24:00 Mar 10 13:00–19:00 Mar 11 13:00–19:00 Mar 12 13:00–19:00 Mar 13 13:00–19:00 Mar 14 13:00–19:00 Mar 15 13:00–17:00, 19:00–20:00 Mar 17 13:00–17:00 Mar 18 13:00–19:00 Mar 19 12:00–19:00 Mar 20 13:00–19:00 Mar 21 13:00–19:00 Mar 22 14:00–18:00, 20:00–23:00 Mar 24 13:00–18:00, 20:00–23:00 Mar 25 13:00–19:00 Mar 26 13:00–19:00 Mar 27 13:00–19:00 Mar 28 13:00–19:00 Mar 30 13:00–18:00, 21:00–23:00 Mar 31 13:00–19:00
April
Apr 1 13:00–19:00 Apr 4 13:00–19:00 Apr 5 14:00–17:00, 20:00–23:00 Apr 6 13:00–19:00 Apr 7 13:00–18:00 Apr 8 13:00–19:00 Apr 9 13:00–17:00 Apr 10 13:00–19:00 Apr 11 13:00–19:00 Apr 12 14:00–17:00, 20:00–24:00 Apr 13 13:00–19:00 Apr 15 13:00–19:00 Apr 16 13:00–19:00 Apr 17 13:00–19:00 Apr 18 13:00–19:00 Apr 19 15:00–19:00 Apr 21 14:00–15:00, 18:00–19:00 Apr 22 12:00–19:00 Apr 23 13:00–18:00 Apr 24 13:00–19:00 Apr 25 13:00–19:00 Apr 26 15:00–19:00, 21:00–22:00 Apr 28 14:00–24:00 Apr 29 15:00–20:00 Apr 30 13:00–19:00
May
May 1 13:00–15:00, 17:00–19:00 May 3 17:00–20:00, 22:00–23:00 May 5 14:00–19:00 May 6 16:00–19:00 May 7 04:00–08:00, 14:00–19:00 May 8 05:00–08:00, 13:00–15:00, 17:00–18:00 May 9 14:00–19:00 May 10 16:00–23:00 May 12 13:00–19:00 May 13 13:00–18:00 May 14 13:00–17:00 May 15 14:00–15:00, 18:00–19:00 May 16 13:00–19:00 May 17 14:00–15:00, 19:00–22:00 May 19 15:00–19:00 May 20 15:00–19:00 May 21 16:00–19:00 May 22 13:00–19:00 May 23 13:00–19:00, 21:00–23:00 May 24 14:00–17:00, 19:00–20:00 May 26 13:00–19:00 May 27 13:00–19:00 May 28 13:00–18:00, 20:00–23:00 May 29 13:00–15:00, 17:00–20:00 May 30 15:00–19:00 May 31 15:00–24:00
June
Jun 2 13:00–19:00 Jun 3 14:00–15:00, 18:00–19:00 Jun 4 13:00–19:00 Jun 5 14:00–20:00 Jun 6 12:00–16:00 Jun 9 13:00–19:00 Jun 10 12:00–19:00 Jun 11 12:00–19:00 Jun 12 12:00–19:00 Jun 13 12:00–18:00 Jun 15 13:00–18:00 Jun 17 12:00–18:00 Jun 18 12:00–18:00 Jun 19 12:00–17:00 Jun 20 12:00–19:00 Jun 21 19:00–24:00 Jun 22 00:00–01:00 Jun 23 12:00–19:00 Jun 24 13:00–18:00 Jun 25 12:00–18:00 Jun 26 13:00–18:00 Jun 27 13:00–19:00 Jun 29 12:00–18:00, 20:00–23:00 Jun 30 14:00–17:00
July
Jul 1 13:00–15:00, 17:00–19:00 Jul 2 13:00–16:00, 18:00–19:00 Jul 3 13:00–19:00 Jul 4 13:00–19:00 Jul 5 15:00–24:00 Jul 7 16:00–19:00 Jul 8 13:00–15:00 Jul 9 13:00–14:00, 18:00–19:00 Jul 10 15:00–19:00 Jul 11 17:00–18:00, 20:00–23:00 Jul 12 15:00–19:00, 21:00–23:00 Jul 14 13:00–24:00 Jul 15 14:00–19:00, 21:00–24:00 Jul 16 13:00–18:00 Jul 17 14:00–20:00 Jul 18 14:00–17:00 Jul 19 15:00–19:00, 22:00–24:00 Jul 20 00:00–01:00 Jul 21 13:00–19:00 Jul 22 13:00–21:00 Jul 23 17:00–24:00 Jul 24 13:00–16:00, 18:00–19:00, 21:00–23:00 Jul 25 00:00–02:00, 13:00–15:00, 17:00–19:00 Jul 26 17:00–23:00