Most often in August, 23 days.
Highest follower count seen that year: 2,706.
January
Jan 8 15:00–19:00 Jan 19 15:00–22:00 Jan 20 13:00–19:00 Jan 21 13:00–20:00 Jan 22 13:00–19:00 Jan 23 13:00–19:00 Jan 25 13:00–19:00 Jan 26 20:00–24:00 Jan 27 13:00–20:00 Jan 29 13:00–22:00 Jan 30 14:00–19:00 Jan 31 14:00–19:00
February
Feb 1 13:00–20:00 Feb 4 12:00–19:00 Feb 5 13:00–19:00 Feb 6 14:00–20:00 Feb 7 13:00–23:00 Feb 8 12:00–21:00 Feb 9 19:00–24:00 Feb 10 13:00–19:00 Feb 11 13:00–21:00 Feb 12 14:00–20:00 Feb 17 13:00–20:00 Feb 18 12:00–20:00 Feb 19 12:00–21:00 Feb 20 13:00–21:00 Feb 21 13:00–20:00 Feb 23 20:00–23:00 Feb 25 13:00–20:00 Feb 26 13:00–20:00
March
Mar 1 13:00–19:00 Mar 2 19:00–22:00 Mar 3 15:00–20:00 Mar 4 13:00–21:00 Mar 5 15:00–19:00 Mar 8 13:00–20:00 Mar 10 14:00–21:00 Mar 11 14:00–19:00 Mar 13 14:00–21:00 Mar 14 14:00–21:00 Mar 15 14:00–21:00 Mar 16 19:00–23:00 Mar 18 14:00–18:00 Mar 20 14:00–22:00 Mar 21 15:00–21:00 Mar 23 20:00–24:00 Mar 24 12:00–19:00 Mar 25 13:00–18:00 Mar 28 20:00–24:00 Mar 29 00:00–02:00, 14:00–21:00
April
Apr 1 14:00–20:00 Apr 2 14:00–21:00 Apr 5 15:00–20:00 Apr 7 13:00–20:00 Apr 8 15:00–19:00 Apr 9 14:00–17:00 Apr 11 14:00–21:00 Apr 12 14:00–18:00 Apr 13 19:00–22:00 Apr 15 14:00–20:00 Apr 16 15:00–20:00 Apr 17 17:00–20:00 Apr 18 15:00–20:00 Apr 22 14:00–20:00 Apr 23 13:00–18:00 Apr 24 14:00–19:00 Apr 25 15:00–19:00 Apr 28 19:00–21:00 Apr 29 15:00–19:00
May
May 3 15:00–22:00 May 5 13:00–21:00 May 6 12:00–18:00 May 7 13:00–21:00 May 8 14:00–18:00 May 9 14:00–22:00 May 10 14:00–23:00 May 13 14:00–20:00 May 14 16:00–22:00 May 15 15:00–18:00 May 20 14:00–20:00 May 21 14:00–19:00 May 23 14:00–19:00 May 24 16:00–19:00 May 29 16:00–19:00 May 30 16:00–21:00 May 31 15:00–19:00
June
Jun 2 13:00–22:00 Jun 4 14:00–19:00 Jun 5 14:00–19:00 Jun 6 14:00–18:00 Jun 9 16:00–20:00 Jun 10 14:00–19:00 Jun 11 14:00–21:00 Jun 12 14:00–19:00 Jun 17 14:00–20:00 Jun 18 14:00–20:00 Jun 19 15:00–20:00 Jun 20 15:00–19:00 Jun 21 13:00–19:00 Jun 24 15:00–19:00 Jun 25 14:00–19:00 Jun 26 14:00–21:00 Jun 27 15:00–18:00 Jun 28 15:00–20:00
July
Jul 1 15:00–19:00 Jul 2 13:00–19:00 Jul 3 15:00–19:00 Jul 4 15:00–19:00 Jul 5 15:00–20:00 Jul 7 17:00–20:00 Jul 8 14:00–19:00 Jul 9 15:00–19:00 Jul 10 15:00–19:00 Jul 11 14:00–19:00 Jul 12 14:00–17:00 Jul 14 15:00–19:00 Jul 15 15:00–19:00 Jul 17 14:00–19:00 Jul 18 15:00–19:00 Jul 22 14:00–19:00 Jul 23 14:00–19:00 Jul 24 15:00–20:00 Jul 25 14:00–20:00 Jul 26 15:00–19:00 Jul 28 14:00–20:00 Jul 29 15:00–19:00 Jul 31 14:00–19:00
August
Aug 1 16:00–19:00 Aug 2 15:00–19:00 Aug 4 14:00–20:00 Aug 5 12:00–20:00 Aug 6 13:00–20:00 Aug 7 13:00–20:00 Aug 8 14:00–20:00 Aug 9 13:00–22:00 Aug 13 14:00–20:00 Aug 14 14:00–19:00 Aug 15 14:00–19:00 Aug 16 15:00–19:00 Aug 18 15:00–20:00 Aug 19 15:00–19:00 Aug 20 14:00–19:00 Aug 22 14:00–20:00 Aug 23 14:00–19:00 Aug 25 14:00–20:00 Aug 26 13:00–21:00 Aug 27 13:00–17:00 Aug 28 14:00–22:00 Aug 29 15:00–23:00 Aug 30 15:00–23:00
September
Sep 1 14:00–19:00 Sep 2 15:00–21:00 Sep 6 16:00–20:00 Sep 8 15:00–21:00 Sep 9 15:00–19:00 Sep 11 15:00–20:00 Sep 12 15:00–20:00 Sep 14 19:00–23:00 Sep 15 16:00–19:00 Sep 17 15:00–19:00 Sep 18 16:00–21:00 Sep 19 15:00–20:00 Sep 20 16:00–20:00 Sep 22 15:00–20:00 Sep 25 15:00–20:00 Sep 26 20:00–24:00 Sep 27 15:00–21:00 Sep 28 19:00–23:00
October
Oct 1 15:00–20:00 Oct 2 15:00–20:00 Oct 3 17:00–21:00 Oct 6 14:00–20:00