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 | Population | Area (km²) | GDP (nominal) | GDP per capita (nominal) |
| --- | --- | --- | --- | --- |
| Kazakhstan | 16967000.0 | 2724900.0 | $196.4 billion | $11,772 |
| Kyrgyzstan | 5550239.0 | 199900.0 | $6.4 billion | $1,152 |
| Uzbekistan | 29559100.0 | 447400.0 | $52.0 billion | $1,780 |
| Tajikistan | 7616000.0 | 143100.0 | $7.2 billion | $903 |
| Turkmenistan | 5125693.0 | 488100.0 | $29.9 billion | $5,330 |
Question:
How many countries has a gdp (nominal) of $29.9 billion?
Answer:
1.0