| .......................................2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | ||||
| Jan | ...... | 148..... | 135 | 132 | 148 | 100 | |||||
| Feb | 184 | 181 | 123 | 222 | 179 | ||||||
| March | 422 | 365 | 392 | 399 | 214 | ||||||
| April | 480 | 554 | 530 | 449 | 450 | ||||||
| May | 538 | 498 | 541 | 470 | |||||||
| June | 614 | 597 | 492 | 462 | |||||||
| July | 573 | 537 | 515 | 449 | |||||||
| August | 466 | 380 | 458 | 472 | |||||||
| Sept | part installation................105 | 426 | 353 | 413 | 408 | ||||||
| October | part installation................160 | 254..... | 304 | 297 | 230 | > | |||||
| November | ......................................140 | 145 | 133 | 142 | 180 | ||||||
| December | ......................................144 | 142 | 86 | 78 | 122 | ||||||
| Totals | 549 Part year | 4392 | 4123 | 4113 | 4011 |