| # | Country | Value |
|---|---|---|
| #1 | New Zealand | 7.7k kg/ha |
| #2 | Chile | 7.5k kg/ha |
| #3 | Kuwait | 7.5k kg/ha |
| #4 | Ireland | 7.1k kg/ha |
| #5 | Zambia | 6.5k kg/ha |
| #6 | Germany | 6.4k kg/ha |
| #7 | Belgium | 6.2k kg/ha |
| #8 | The Netherlands | 6.2k kg/ha |
| #9 | United Kingdom | 5.9k kg/ha |
| #10 | Saudi Arabia | 5.7k kg/ha |