S./Y. | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
Spring | 180.2 | 216.1 | 185.7 | 301.6 | 304.3 | 232 | 228.6 | 369.3 | 134.8 | 184.8 | 373.2 | 473.9 | 298.8 |
Summer | 856.3 | 546.2 | 878.1 | 516.9 | 712 | 455 | 460.5 | 734.5 | 544.8 | 557.9 | 776.4 | 647.4 | 712.7 |
Autumn | 57.8 | 185.2 | 391.2 | 126.3 | 174.1 | 500.4 | 258.3 | 357.3 | 490.9 | 286.5 | 244.6 | 294.4 | 183.5 |
Winter | 65.1 | 60.6 | 170 | 18.3 | 186.5 | 65.5 | 139.4 | 108.2 | 64.2 | 193.1 | 152.2 | 133 | 79.2 |