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:
| English Name | Simplified | Traditional | Pinyin | Area | Population | Density |
| --- | --- | --- | --- | --- | --- | --- |
| Xinzhou District | 信州区 | 信州區 | Xìnzhōu Qū | 339.0 | 416219.0 | 1228.0 |
| Dexing City | 德兴市 | 德興市 | Déxīng Shì | 2101.0 | 293202.0 | 140.0 |
| Shangrao County | 上饶县 | 上饒縣 | Shàngráo Xiàn | 2240.0 | 700266.0 | 313.0 |
| Guangfeng County | 广丰县 | 廣豐縣 | Guǎngfēng Xiàn | 1378.0 | 752939.0 | 546.0 |
| Yushan County | 玉山县 | 玉山縣 | Yùshān Xiàn | 1728.0 | 574363.0 | 332.0 |
| Yanshan County | 铅山县 | 鉛山縣 | Yánshān Xiàn | 2178.0 | 427000.0 | 196.0 |
| Hengfeng County | 横峰县 | 橫峰縣 | Héngfēng Xiàn | 655.0 | 184870.0 | 282.0 |
| Yiyang County | 弋阳县 | 弋陽縣 | Yìyáng Xiàn | 1593.0 | 353378.0 | 222.0 |
| Yugan County | 余干县 | 餘干縣 | Yúgān Xiàn | 2331.0 | 887603.0 | 381.0 |
| Poyang County | 鄱阳县 | 鄱陽縣 | Póyáng Xiàn | 4215.0 | 1296756.0 | 308.0 |
| Wannian County | 万年县 | 萬年縣 | Wànnián Xiàn | 1141.0 | 359098.0 | 315.0 |
Question:
What is the density of yushan county?
Answer:
1.0