GTSPP Data Product Centre| Year & Month(yyyymm) | observing line | Number of observations |
|---|---|---|
| 201001 | PX37 | 94 |
| 201003 | PX37 | 93 |
| 201006 | PX37 | 48 |
| 201008 | PX37 | 10 |
| 201011 | PX37 | 6 |
| 201102 | PX37 | 103 |
| 201105 | PX37 | 102 |
| 201107 | PX37 | 102 |
| 201109 | PX37 | 96 |
| 201111 | PX37 | 102 |
| 201202 | PX37 | 101 |
| 201205 | PX37 | 103 |
| 201207 | PX37 | 99 |
| 201208 | PX37 | 102 |
| 201212 | PX37 | 102 |
| 201304 | PX37 | 99 |
| 201306 | PX37 | 97 |
| 201308 | PX37 | 103 |
| 201312 | PX37 | 101 |
| 201401 | PX37 | 98 |
| 201403 | PX37 | 102 |
| 201405 | PX37 | 100 |
| 201406 | PX37 | 85 |
| 201408 | PX37 | 97 |
| 201410 | PX37 | 100 |
| 201412 | PX37 | 101 |
| 201501 | PX37 | 102 |
| 201502 | PX37 | 102 |
| 201504 | PX37 | 99 |
| 201508 | PX37 | 101 |
| 201601 | PX37 | 100 |
| 201705 | PX37 | 91 |
| 202309 | PX37 | 105 |
| 202311 | PX37 | 98 |