```php
Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2025 | 39.7 | 48.7 | 57.9 | 66.0 | 72.9 | 80.0 | 83.2 | 77.7 | 72.3 | --- | --- | --- | 66.5 |
2024 | 48.4 | 49.9 | 57.9 | 63.6 | 72.3 | 78.7 | 81.4 | 79.0 | 75.2 | 65.7 | 59.9 | 48.7 | 65.0 |
2023 | 51.3 | 55.1 | 56.5 | 64.7 | 67.5 | 74.8 | 81.9 | 80.7 | 74.8 | 65.1 | 55.5 | 51.0 | 64.9 |
2022 | 43.4 | 50.5 | 57.9 | 63.0 | 71.5 | 77.7 | 81.1 | 79.7 | 75.4 | 63.2 | 60.0 | 48.4 | 64.3 |
2021 | 45.6 | 47.4 | 56.2 | 62.6 | 69.3 | 77.2 | 80.3 | 80.3 | 74.6 | 67.9 | 53.1 | 55.3 | 64.2 |
2020 | 51.3 | 50.9 | 57.9 | 61.7 | 68.2 | 76.1 | 82.8 | 81.4 | 75.3 | 68.7 | 60.9 | 48.6 | 65.3 |
2019 | 45.8 | 53.3 | 54.1 | 65.2 | 74.7 | 78.2 | 81.5 | 80.2 | 77.4 | 69.4 | 52.8 | 52.5 | 65.4 |
2018 | 39.9 | 55.5 | 49.4 | 59.4 | 73.2 | 79.3 | 79.4 | 80.9 | 79.3 | 68.6 | 57.2 | 51.4 | 64.4 |
2017 | 50.7 | 54.8 | 54.2 | 69.0 | 74.1 | 79.1 | 81.1 | 80.0 | 73.2 | 68.3 | 55.6 | 46.6 | 65.6 |
2016 | 43.2 | 47.2 | 58.5 | 60.9 | 69.6 | 78.1 | 83.1 | 82.4 | 78.4 | 64.8 | 56.9 | 57.5 | 65.0 |
2015 | 44.0 | 38.3 | 53.1 | 63.2 | 70.4 | 80.3 | 80.7 | 78.0 | 76.0 | 65.5 | 59.6 | 60.4 | 64.1 |
2014 | 41.3 | 45.3 | 48.6 | 62.0 | 71.4 | 77.1 | 78.6 | 77.4 | 75.0 | 65.2 | 51.5 | 47.9 | 61.8 |
2013 | 48.6 | 47.0 | 48.5 | 61.1 | 69.0 | 76.9 | 80.7 | 77.2 | 72.1 | 64.8 | 52.8 | 50.3 | 62.4 |
2012 | 49.1 | 49.9 | 60.5 | 62.0 | 72.7 | 75.2 | 81.1 | 78.0 | 73.3 | 65.3 | 49.6 | 52.2 | 64.1 |
2011 | 41.0 | 48.9 | 54.1 | 65.1 | 71.4 | 78.0 | 80.6 | 80.2 | 74.9 | 63.9 | 57.7 | 52.7 | 64.0 |
2010 | 41.8 | 43.0 | 53.0 | 63.5 | 73.7 | 81.1 | 79.2 | 79.5 | 75.6 | 65.6 | 55.0 | 38.1 | 62.4 |
2009 | 44.6 | 45.8 | 52.2 | 65.1 | 71.5 | 77.1 | 78.7 | 79.8 | 73.5 | 64.8 | 58.8 | 48.0 | 63.3 |
2008 | 46.0 | 51.2 | 56.2 | 63.2 | 68.1 | 78.2 | 79.3 | 78.5 | 75.3 | 62.5 | 52.8 | 51.5 | 63.6 |
2007 | 49.3 | 43.4 | 55.4 | 60.3 | 68.7 | 75.5 | 77.0 | 79.2 | 74.1 | 70.0 | 54.8 | 52.9 | 63.4 |
2006 | 50.6 | 46.5 | 52.1 | 62.8 | 68.2 | 74.8 | 79.3 | 79.5 | 71.6 | 62.2 | 56.7 | 52.1 | 63.0 |
2005 | 45.8 | 46.3 | 51.2 | 60.0 | 65.4 | 75.6 | 80.3 | 79.8 | 76.7 | 65.9 | 57.7 | 45.8 | 62.5 |
2004 | 40.8 | 45.5 | 54.4 | 61.8 | 72.1 | 77.4 | 79.6 | 76.8 | 74.6 | 65.4 | 56.6 | 47.4 | 62.7 |
2003 | 40.9 | 45.9 | 57.0 | 61.0 | 68.0 | 77.8 | 77.9 | 79.5 | 71.5 | 64.2 | 61.0 | 46.7 | 62.6 |
2002 | 49.7 | 51.0 | 58.2 | 64.7 | 69.0 | 76.0 | 79.0 | 79.0 | 77.0 | 68.0 | 54.0 | 46.0 | 64.3 |
2001 | 43.3 | 48.8 | 50.2 | 64.7 | 68.1 | 76.1 | 76.6 | 78.7 | 72.8 | 64.6 | 62.1 | 55.9 | 63.5 |
2000 | 42.8 | 48.7 | 57.1 | 61.0 | 69.9 | 74.9 | 76.7 | 77.4 | 73.7 | 62.9 | 51.4 | 41.0 | 61.5 |
1999 | 49.1 | 47.6 | 48.7 | 62.0 | 74.5 | 76.6 | 80.1 | 80.1 | 74.5 | 65.0 | 66.3 | 47.6 | 64.3 |
1998 | --- | --- | --- | --- | --- | --- | --- | 81.0 | 78.0 | 68.0 | 60.0 | 56.0 | 68.6 |
Avg | 45.5 | 48.4 | 54.5 | 62.9 | 70.6 | 77.3 | 80.0 | 79.4 | 74.9 | 65.8 | 56.7 | 50.1 | 63.8 |