Ten Tabiyas

After 10...O-O

Here are the first ten tabiyas I found using Google. In 2009, how many chess positions could be counted as tabiyas? 100, 1000, 10.000, ...

• 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 Qc7 7.Be3 Nf6 8.O-O Be7 9.f4 d6 10.Qe1 O-O (top10chess.com)
  
  
• 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O 9.Bc4 Bd7 10.O-O-O Rc8 11.Bb3 Ne5 12.h4 Nc4 13.Bxc4 Rxc4 14.h5 Nxh5 15.g4 Nf6 (everything2.com)
  
  
• 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 d6 5.d4 Bd7 6.O-O exd4 7.Nxd4 Be7 (chessforallages.blogspot.com)
  
  
• 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 O-O 12.Nc2 Bg5 13.a4 bxa4 14.Rxa4 a5 15.Bc4 Rb8 (chessvibes.com)
  
  
• 1.d4 d5 2. c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O (qualitychess.co.uk)
  
  
• 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.a4 Rb8 9. d4 Bb6 10.Na3 Bg4 11.axb5 axb5 12.Nxb5 O-O (latimes.com)
  
  
• 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4. c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6 9.Nf3 Be7 (dorigo.wordpress.com)
  
  
• 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Rb8 9. Bxc6+ Nxc6 10.Qxc6+ Nd7 11.d3 Be7 (chessgames.com)
  
  
• 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3 Nc6 9.O-O O-O 10.Re1 Nf6 11.a3 b6 (jeremysilman.com)
  
  
• 1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.Nc3 e6 6.O-O Be7 7.d4 cxd4 8. Qxd4 d6 (chessville.com)

What's the connection with chess960? There isn't any connection. I don't believe tabiyas exist in chess960.