>Year>
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 1964 | 91.39% |
| proxy | -7 | 125 | 5.82% |
| 1994 | 1 | 0.05% | |
| 2002 | 1 | 0.05% | |
| 2010 | 3 | 0.14% | |
| 2011 | 2 | 0.09% | |
| 2012 | 43 | 2.0% | |
| 2013 | 10 | 0.47% | |
| Total | 2149 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 2011.57 | 2089 | 1994.0 | 2013.0 | 2.72 | 60 |
