| no. | Code | Title | Period | Head | No. of publications |
|---|---|---|---|---|---|
| 1. | P6-0064 |
|
1/1/2015 - 12/31/2021 |
|
4,075 |
| 2. | P6-0064 |
|
1/1/2009 - 12/31/2014 |
|
4,545 |
| 3. | P6-0064 |
|
1/1/2004 - 12/31/2008 |
|
5,034 |
| 4. | P0-0508-0618 |
|
1/1/1999 - 12/31/2003 |
|
5,318 |