BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 488 50.4%
2 United States 222 22.9%
3 Netherlands 112 11.6%
4 Germany 55 5.7%
5 France 27 2.8%
6 Canada 15 1.5%
7 Korea, Republic of 10 1%
8 India 8 0.8%
9 Russia 7 0.7%
10 Singapore 4 0.4%
11 Turkey 4 0.4%
12 United Kingdom 4 0.4%
13 Hong Kong 4 0.4%
14 Romania 3 0.3%
15 Taiwan 3 0.3%
16 Ukraine 2 0.2%