>Year>
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 1953 | 90.88% |
| proxy | -7 | 125 | 5.82% |
| 2004 | 1 | 0.05% | |
| 2008 | 1 | 0.05% | |
| 2009 | 1 | 0.05% | |
| 2010 | 3 | 0.14% | |
| 2011 | 2 | 0.09% | |
| 2012 | 46 | 2.14% | |
| 2013 | 17 | 0.79% | |
| Total | 2149 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 2011.92 | 2078 | 2004.0 | 2013.0 | 1.31 | 71 |
