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 250 40.7%
2 United States 229 37.3%
3 Netherlands 88 14.3%
4 Germany 21 3.4%
5 Russia 11 1.8%
6 Taiwan 3 0.5%
7 Italy 3 0.5%
8 Romania 2 0.3%
9 Canada 2 0.3%
10 Singapore 2 0.3%
11 Macao 1 0.2%
12 Hong Kong 1 0.2%
13 Czech Republic 1 0.2%