user
Instruction
Answer the question based on the provided table.


Table
Table Title: East Asian Football Federation
Table Content:
| Association | Joining year | Men's team | Women's team | League |
| --- | --- | --- | --- | --- |
| China PR | 2002 | China | China | Chinese Super League |
| Guam | 2002 | Guam | Guam | Guam League |
| Hong Kong | 2002 | Hong Kong | Hong Kong | Hong Kong First Division League |
| Japan | 2002 | Japan | Japan | J. League |
| Korea DPR | 2002 | Korea DPR | Korea DPR | DPR Korea League |
| Korea Republic | 2002 | Korea Republic | Korea Republic | K-League |
| Macau | 2002 | Macau | Macau | Campeonato da 1ª Divisão do Futebol |
| Mongolia | 2002 | Mongolia | Mongolia | Mongolia Premier League |
| Northern Mariana Islands | 2008 1 | Northern Mariana Islands | Northern Mariana Islands | Northern Mariana Championship |
| Chinese Taipei | 2002 | Chinese Taipei | Chinese Taipei | Intercity Football League |


Question
which year did most countries join in?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["2002"]