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:
| Rank | Country | International tourist arrivals (2012) | International tourist arrivals (2011) | Change (2011 to 2012) | Change (2010 to 2011) |
| --- | --- | --- | --- | --- | --- |
| 1.0 | United States | 67.0 million | 62.7 million | +6.8% | +4.9% |
| 2.0 | Mexico | 23.4 million | 23.4 million | +0.0% | +0.5% |
| 3.0 | Canada | 16.3 million | 16.0 million | +1.8% | -1.3% |
| 4.0 | Brazil | 5.6 million | 5.4 million | +4.5% | +5.3% |
| 5.0 | Argentina | 5.5 million | 5.7 million | -1.9% | +7.1% |
| 6.0 | Dominican Republic | 4.5 million | 4.3 million | +5.9% | +4.4% |
| 7.0 | Chile | 3.5 million | 3.1 million | +13.3% | +12.0% |
| 8.0 | Puerto Rico | 3.0 million | 3.0 million | +0.7% | -4.3% |
| 9.0 | Peru | 2.8 million | 2.5 million | +9.5% | +13.0% |
| 10.0 | Uruguay | 2.6 million | 2.8 million | -5.7% | +21.6% |
Question:
In 2011, how many tourists visited the country that had 23.4 million tourists in 2012?
Answer:
23.4 million