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:
|  | Album | Artist(s) | Sales |
| --- | --- | --- | --- |
| 1 | Vain elämää | various artists | 164,119 |
| 2 | Koodi | Robin | 117,126 |
| 3 | Vain elämää | various artists | 81,725 |
| 4 | Chillaa | Robin | 73,439 |
| 5 | 21 | Adele | 44,297 |
| 6 | Yhdestä puusta | Jukka Poika | 42,429 |
| 7 | Vie mut kotiin | Jesse Kaikuranta | 38,985 |
| 8 | Kun valaistun | Chisu | 31,541 |
| 9 | Joululauluja | Juha Tapio | 29,080 |
| 10 | Hunningolla | Erin | 27,655 |
Question:
how many albums sold for than 50,000 copies this year?
Answer:
4