| Q1 | Q2 | Q3 | Q4 |
| Q1 | Q2 | Q3 | Q4 |
2004 | 4729.7 | 9262.9 | 13,885.7 | 18,677 | 2011 | 7000 | 12,901.3 | 19,601 | 24,431.7 |
2005 | 5203.4 | 9831.4 | 14,907.3 | 19,608.9 | 2012 | 7052 | 13,232.4 | 19,985.7 | 25,403 |
2006 | 5301 | 10,356.2 | 15,613.2 | 20,284.6 | 2013 | 7429.8 | 13,379.8 | 20,177.4 | 25,759.9 |
2007 | 5731.9 | 11,217.4 | 18,036.5 | 21,698.9 | 2014 | 7290.1 | 13,386.9 | 20,270.2 | 26,079.5 |
2008 | 6006.5 | 11,355.8 | 17,618.8 | 22,068.5 | 2015 | 7197.1 | 13,280.1 | 19,909.4 | 26,127.2 |
2009 | 6486.6 | 12,731.9 | 18,283.3 | 22,862.8 | 2016 | 6593.81 | 11,530.72 | 17,224.39 | 23,067.37 |
2010 | 6704.7 | 12,593.4 | 18,980.6 | 23,641.7 | 2017 | 6069.62 | 11,592.49 | 17,912.9 | 23,486.62 |