Month,2015,2016,2017,2018,2019,2020,2021,2022 Jan,2.62,2.84,3.39,3.2,3.6,4.4,3.86,6.07 Feb,4.28,4.24,4.48,5.11,6.67,6.78,7.06,9.12 Mar,7.7,7.49,8.97,7.42,9.95,11.41,13.3,15.92 Apr,11.1,9.88,10.95,11.99,12.03,16.08,15.92,19.01 May,11.85,11.92,13.23,14.28,13.51,17.62,18.73,24.5 Jun,12.3,12.37,13.81,13.83,16.23,17.07,20.86,24.58 Jul,13.19,13.36,13.48,16,15.5,18.57,20.07,26.14 Aug,12.01,12.61,12.66,13.74,14.68,16.87,18.01,24.14 Sep,8.93,10.06,9.28,11.16,11.32,13.61,15.1, Oct,5.59,5.62,7.14,7.66,8.01,8.35,11.19, Nov,4.01,3.56,3.71,3.78,4.2,5.5,5.58, Dec,2.91,3.18,2.74,2.87,3.53,3.23,4.17,