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:
| Country | Region | Joined OPEC | Population (July 2012) | Area (km²) | Production ( bbl /day) |
| --- | --- | --- | --- | --- | --- |
| Algeria | Africa | 1969.0 | 37367226.0 | 2381740.0 | 2,125,000 (16th) |
| Angola | Africa | 2007.0 | 18056072.0 | 1246700.0 | 1,948,000 (17th) |
| Iraq | Middle East | 1960.0 | 31129225.0 | 437072.0 | 3,200,000 (12th) |
| Kuwait | Middle East | 1960.0 | 2646314.0 | 17820.0 | 2,494,000 (10th) |
| Libya | Africa | 1962.0 | 5613380.0 | 1759540.0 | 2,210,000 (15th) |
| Nigeria | Africa | 1971.0 | 170123740.0 | 923768.0 | 2,211,000 (14th) |
| Qatar | Middle East | 1961.0 | 1951591.0 | 11437.0 | 1,213,000 (21st) |
| Saudi Arabia | Middle East | 1960.0 | 26534504.0 | 2149690.0 | 8,800,000 (1st) |
| United Arab Emirates | Middle East | 1967.0 | 5314317.0 | 83600.0 | 2,798,000 (8th) |
| Venezuela | South America | 1960.0 | 28047938.0 | 912050.0 | 2,472,000 (11th) |
Question:
When did the country that produced 1,213,000 (21st) bbl/day join Opec?
Answer:
1961.0