| 1965 | 30 reads | 3.83 |
| 2019 | 35 reads | 3.24 |
| 2019 | 9 reads | 3.75 |
| 2018 | 12 reads | 3.44 |
| 2017 | 6 reads | 3.6 |
| 2015 | 31 reads | 3.12 |
| 0 reads | 0 | |
| 2017 | 121 reads | 3.76 |
| 2012 | 340 reads | 4.08 |
| 9 | 603 reads | 4.12 |
| 2003 | 10 reads | 3.86 |
| 2015 | 2 reads | 3.5 |
| 2001 | 142 reads | 4.33 |
| 2012 | 19 reads | 4.77 |
| 2014 | 19 reads | 4.1 |
| 2010 | 0 reads | 0 |
| 2003 | 104 reads | 3.69 |
| 1999 | 237 reads | 4.16 |