Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| # | Nation | Qualification Tournament | Place in QT | Sailor |
| --- | --- | --- | --- | --- |
| 1 | China | Host Country |  |  |
| 2 | Brazil | 2007 Worlds | 1 | Robert Scheidt, Bruno Prada |
| 3 | France | 2007 Worlds | 2 | Xavier Rohart, Pascal Rambeau |
| 4 | Great Britain | 2007 Worlds | 3 | Iain Percy, Andrew Simpson |
| 5 | New Zealand | 2007 Worlds | 4 | Hamish Pepper, Carl Williams |
| 6 | Italy | 2007 Worlds | 5 | Diego Negri, Luigi Viale |
| 7 | Poland | 2007 Worlds | 6 | Mateusz Kusznierewicz, Dominik Zycki |
| 8 | Germany | 2007 Worlds | 7 | Marc Pickel, Ingo Borkowski |
| 9 | Sweden | 2007 Worlds | 8 | Fredrik Lööf, Anders Ekström |
| 10 | Australia | 2007 Worlds | 9 | Iain Murray, Andrew Palfrey |
| 11 | Portugal | 2007 Worlds | 10 | Afonso Domingos, Bernardo Santos |
| 12 | United States | 2007 Worlds | 11 | Mark Reynolds, Hal Haenel |
| 13 | Switzerland | 2008 Worlds | 4 | Flavio Marazzi, Enrico De Maria |
| 14 | Croatia | 2008 Worlds | 12 | Marin Lovrovic, Sinsa Mikulicic |
| 15 | Ireland | 2008 Worlds | 14 | Max Treacy, Anthony Shanks |
| 16 | Austria | 2008 Worlds | 16 | Hans Spitzauer, Christian Nehammer |
Question:
what is the average number of sailors for each country during the worlds qualification tournament?
Answer:
2