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 357 53.9%
2 United States 116 17.5%
3 Netherlands 89 13.4%
4 Germany 58 8.8%
5 Canada 23 3.5%
6 France 6 0.9%
7 Ukraine 3 0.5%
8 Hong Kong 2 0.3%
9 Mauritius 2 0.3%
10 Moldova, Republic of 1 0.2%
11 Finland 1 0.2%
12 United Kingdom 1 0.2%
13 Russia 1 0.2%
14 Sri Lanka 1 0.2%
15 Switzerland 1 0.2%