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:
| Administrative Region | Population (2002 census data) | Surface km 2 | Main Rivers | Average annual rainfall (mm) | Average annual runoff (mm) | Per capita average annual renewable water resources m 3 |
| --- | --- | --- | --- | --- | --- | --- |
| I - Tarapacá | 428594.0 | 58698.0 | Azapa River , Vítor River and Camarones River | 93.6 | 7.1 | 972.0 |
| II - Antofagasta | 493984.0 | 126444.0 | Loa River | 44.5 | 0.2 | 51.0 |
| III - Atacama | 254336.0 | 75573.0 | Salado River [ disambiguation needed ] | 82.4 | 0.7 | 208.0 |
| IV - Coquimbo | 603210.0 | 40656.0 | Elqui River , Choapa River and Limarí River | 222 | 18 | 1213.0 |
| V - Valparaíso | 1539852.0 | 16396.0 | Petorca River , La Ligua River and Aconcagua River | 434 | 84 | 894.0 |
| Metro Region(MR) - Santiago Metropolitan | 7003122.0 | 15349.0 | Maipo River | 650 | 200 | 438.0 |
| VII - Maule | 908097.0 | 30325.0 | Mataquito River and Maule River | 1,377 | 784 | 26181.0 |
| VIII - Biobío | 1861562.0 | 36929.0 | Itata River , Biobío River and Laja River | 1,766 | 1,173 | 23270.0 |
Question:
Name the annual rainfail for 2002 population being 493984
Answer:
44.5