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 210 45.8%
2 United States 131 28.5%
3 Netherlands 32 7%
4 Germany 29 6.3%
5 Canada 28 6.1%
6 Hong Kong 8 1.7%
7 Japan 6 1.3%
8 Slovakia 3 0.7%
9 Russia 3 0.7%
10 Australia 2 0.4%
11 Taiwan 2 0.4%
12 Ukraine 2 0.4%
13 Czech Republic 1 0.2%
14 Singapore 1 0.2%
15 Hungary 1 0.2%