World Ranking list for Bejing Olympics

For all you MoFos out there, here is a list of the world rankings including the US women's and men's team for the Beijing Olympics. For more information about our beloved sport, check out ITTF.com and USATT.org
How to read the list; the number is the ranking position. I don't know what the number with the decimal is. Nor am I clear what the number in parenthesis is.
The top US woman is ranked 20th in the world
The top man is ranked 224th

1(<<) 12930.50 ZHANG Yining CHN
2 (<<) 12788.50 GUO Yue CHN
3 (<<) 12785.75 LI Xiaoxia CHN
4 (5) 12677.00 GUO Yan CHN
5 (4) 12655.25 WANG Nan CHN
6 (<<) 12525.75 LI Jia Wei SIN
7 (<<) 12416.25 WANG Yue Gu SIN
8 (<<) 12339.75 JIANG Huajun HKG
9 (<<) 12277.00 FENG Tianwei SIN
10 (<<) 12234.25 TIE Yana HKG


USA

20 (25) 12062.50 WANG Chen USA
25 (27) 12036.00 GAO Jun USA
218 (220) 11216.25 BANH THUA Tawny USA
245 (254) 11144.00 HUANG Crystal Xi USA
291 (294) 11034.00 LEE Jacqueline USA
294 (297) 11027.00 ZHENG Jiaqi USA
318 (320) 10990.25 LI Nan USA
382 (388) 10850.00 PING Whitney USA
444 (450) 10777.75 HUGH Judy USA

Men
1 (<<) 12946.50 WANG Hao CHN

2 (<<) 12867.25 MA Lin CHN

3 (<<) 12757.75 MA Long CHN

4 (<<) 12629.75 WANG Liqin CHN

5 (<<) 12599.00 SAMSONOV Vladimir BLR

6 (7) 12491.00 BOLL Timo GER

7 (6) 12476.25 CHEN Qi CHN

8 (<<) 12350.75 RYU Seung Min KOR

9 (<<) 12219.25 JOO Se Hyuk KOR

10 (12) 12148.25 CHUAN Chih-Yuan TPE



USA
224 (229) 11184.50 CHENG Yinghua USA

250 (255) 11137.25 ZHUANG David USA

356 (366) 10915.00 OWENS Eric USA

364 (371) 10903.25 NGUYEN Khoa USA

382 (392) 10881.50 HAZINSKI Mark USA

423 (431) 10826.25 XIAO Han USA

430 (439) 10816.00 SEEMILLER Danny USA

459 (470) 10763.50 CHEN Longcan USA

The number in ( ) is the previous month's rank, with (<<) meaning no change in ranking.

The decimal number is a new rating system used by ITTF?