| Similarity | Rank | |
|---|---|---|
| 2013 | 0.880 | 461 |
| 2015 | 0.869 | 7552 |
| 2012 | 0.868 | 515 |
| 2016 | 0.843 | 12909 |
| 2011 | 0.813 | 635 |
| 2017 | 0.806 | 20892 |
| 2013-2014 | 0.793 | 31987 |
| 2010 | 0.788 | 709 |
| 2018 | 0.782 | 24217 |
| 2014-2015 | 0.781 | 86599 |
| 2019 | 0.776 | 43266 |
| 2012-2013 | 0.765 | 32234 |
| 2014-15 | 0.764 | 69971 |
| 2013-14 | 0.742 | 28950 |
| 2009 | 0.736 | 927 |
| 2011-2012 | 0.731 | 33980 |
| November | 0.720 | 1119 |
| January | 0.718 | 1183 |
| September | 0.713 | 1064 |
| October | 0.712 | 1063 |
| 2008 | 0.712 | 1035 |
| December | 0.702 | 1164 |
| Announced | 0.701 | 39926 |
| March | 0.698 | 1020 |
| mid-year | 0.698 | 57104 |