| 2016/12 | 16,147 |
| 2016/09 | 14,054 |
| 2016/06 | 13,338 |
| 2016/03 | 14,438 |
| 2015/12 | 16,760 |
| 2015/09 | 15,440 |
| 2015/06 | 17,494 |
| 2015/03 | 16,379 |
|
|
| 2014/12 | 15,365 |
| 2014/09 | 14,732 |
| 2014/06 | 13,644 |
| 2014/03 | 12,836 |
| 2013/12 | 13,979 |
| 2013/09 | 12,652 |
| 2013/06 | 11,787 |
| 2013/03 | 10,641 |
|
|
| 2012/12 | 8,859 |
| 2012/09 | 7,664 |
| 2012/06 | 7,833 |
| 2012/03 | 8,822 |
| 2011/12 | 7,479 |
| 2011/09 | 7,804 |
| 2011/06 | 8,723 |
| 2011/03 | 8,966 |
|
|
| 2010/12 | 9,183 |
| 2010/09 | 8,336 |
| 2010/06 | 8,474 |
| 2010/03 | 9,985 |
| 2009/12 | 9,221 |
| 2009/09 | 9,252 |
| 2009/06 | 9,263 |
| 2009/03 | 7,681 |
|
|
| 2008/12 | 8,413 |
| 2008/09 | 10,652 |
| 2008/06 | 13,134 |
| 2008/03 | 12,135 |
| 2007/12 | 14,734 |
| 2007/09 | 16,647 |
| 2007/06 | 18,376 |
| 2007/03 | 17,430 |
|