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 209 63.3%
2 United States 63 19.1%
3 Germany 30 9.1%
4 Hong Kong 4 1.2%
5 Taiwan 4 1.2%
6 United Kingdom 2 0.6%
7 Georgia 2 0.6%
8 Australia 2 0.6%
9 India 2 0.6%
10 Kazakhstan 2 0.6%
11 Latvia 2 0.6%
12 Poland 2 0.6%
13 Romania 2 0.6%
14 Russia 2 0.6%
15 Singapore 1 0.3%
16 Moldova, Republic of 1 0.3%