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:
| African rank | World rank | Nation | GDP per capita | Total GDP world rank |
| --- | --- | --- | --- | --- |
| 1.0 | 41.0 | Equatorial Guinea | $16,507 | 113.0 |
| 2.0 | 54.0 | Mauritius | $13,029 | 120.0 |
| 3.0 | 57.0 | Seychelles | $12,135 | 172.0 |
| 4.0 | 62.0 | South Africa | $11,035 | 21.0 |
| 5.0 | 63.0 | Libya | $11,354 | 67.0 |
| 6.0 | 64.0 | Botswana | $10,866 | 116.0 |
| 7.0 | 75.0 | Tunisia | $8,223 | 62.0 |
| 8.0 | 87.0 | Algeria | $7,095 | 38.0 |
| 9.0 | 89.0 | Gabon | $6,977 | 138.0 |
| 10.0 | 91.0 | Namibia | $6,658 | 128.0 |
| 11.0 | 93.0 | Cape Verde | $6,287 | 161.0 |
| 12.0 | 100.0 | Morocco | $5,765 | 53.0 |
| 13.0 | 105.0 | Swaziland | $5,181 | 148.0 |
| 14.0 | 115.0 | Egypt | $4,282 | 32.0 |
| 15.0 | 129.0 | Angola | $2,829 | 79.0 |
| 16.0 | 133.0 | Ghana | $2,601 | 73.0 |
| 17.0 | 136.0 | Sudan | $2,417 | 60.0 |
| 18.0 | 138.0 | Zimbabwe | $2,413 | 98.0 |
| 19.0 | 139.0 | Mauritania | $2,307 | 146.0 |
| 20.0 | 140.0 | Cameroon | $2,284 | 82.0 |
| 21.0 | 142.0 | Lesotho | $2,163 | 152.0 |
| 22.0 | 148.0 | The Gambia | $1,999 | 160.0 |
| 23.0 | 150.0 | Guinea | $1,986 | 113.0 |
| 24.0 | 151.0 | Djibouti | $1,957 | 168.0 |
| 25.0 | 153.0 | Senegal | $1,914 | 111.0 |
| 26.0 | 155.0 | Uganda | $1,817 | 75.0 |
| 27.0 | 156.0 | Chad | $1,744 | 125.0 |
| 28.0 | 157.0 | Comoros | $1,717 | 171.0 |
| 29.0 | 158.0 | São Tomé and Príncipe | $1,638 | 187.0 |
| 30.0 | 161.0 | Togo | $1,600 | 140.0 |
| 31.0 | 162.0 | Côte d'Ivoire | $1,475 | 97.0 |
| 32.0 | 164.0 | Rwanda | $1,431 | 131.0 |
| 33.0 | 167.0 | Republic of the Congo | $1,379 | 156.0 |
| 34.0 | 169.0 | Mozambique | $1,335 | 101.0 |
| 35.0 | 170.0 | Burkina Faso | $1,326 | 117.0 |
| 36.0 | 171.0 | Nigeria | $1,188 | 46.0 |
| 37.0 | 172.0 | Central African Republic | $1,163 | 154.0 |
| 38.0 | 173.0 | Benin | $1,147 | 142.0 |
| 39.0 | 174.0 | Kenya | $1,125 | 88.0 |
| 40.0 | 176.0 | Mali | $1,084 | 129.0 |
| 41.0 | 177.0 | Eritrea | $917 | 158.0 |
| 42.0 | 178.0 | Zambia | $911 | 136.0 |
| 43.0 | 179.0 | Madagascar | $911 | 119.0 |
| 44.0 | 180.0 | Sierra Leone | $901 | 153.0 |
| 45.0 | 181.0 | Liberia | $900 | 163.0 |
| 46.0 | 182.0 | Niger | $896 | 134.0 |
| 47.0 | 183.0 | Ethiopia | $859 | 69.0 |
| 48.0 | 184.0 | Guinea-Bissau | $856 | 169.0 |
| 49.0 | 186.0 | Burundi | $753 | 149.0 |
| 50.0 | 188.0 | Tanzania | $720 | 99.0 |
| 51.0 | 189.0 | Democratic Republic of the Congo | $675 | 83.0 |
| 52.0 | 190.0 | Somalia | $600 | 157.0 |
Question:
How many items were listed under world rank under the nation of Nigeria?
Answer:
1.0