BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 436 45.4%
2 United States 247 25.7%
3 Netherlands 196 20.4%
4 Germany 33 3.4%
5 Korea, Republic of 19 2%
6 Hong Kong 9 0.9%
7 Russia 7 0.7%
8 Spain 3 0.3%
9 Canada 3 0.3%
10 France 3 0.3%
11 Taiwan 2 0.2%
12 India 2 0.2%
13 Estonia 1 0.1%