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:
| Year | Population | Serbs | Germans | Romanians | Hungarians | Croats | Roma | Slovaks | Rest |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1910.0 | 34034.0 | 45.52% | 19.30% | 16.65% | 15.64% | 0.09% | 1.28% | 0.12% | 1.70% |
| 1931.0 | 35600.0 | 50.66% | 20.68% | n/d | 13.0% | n/d | n/d | n/d | 15.64% |
| 1961.0 | 39994.0 | 73.1% | n/d | 17.6% | 13.59% | n/d | 0.04% | 0.14% | 5.27% |
| 1991.0 | 38263.0 | 73.53% | 0.20% | 4.54% | 10.28% | 0.39% | 2.47% | 0.05% | 8.54% |
| 2002.0 | 36802.0 | 76.75% | 0.13% | 3.7% | 9.26% | 0.3% | 3.1% | 0.11% | 7.44% |
Question:
What is every value for Croats if the value of Roma is 3.1%?
Answer:
0.3%