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 847 59.9%
2 United States 218 15.4%
3 Netherlands 159 11.2%
4 Germany 59 4.2%
5 France 44 3.1%
6 Hong Kong 25 1.8%
7 Canada 19 1.3%
8 Japan 8 0.6%
9 Taiwan 7 0.5%
10 Russia 6 0.4%
11 Kazakhstan 5 0.4%
12 Singapore 4 0.3%
13 Macao 3 0.2%
14 Finland 3 0.2%
15 Malta 2 0.1%
16 Mauritius 2 0.1%
17 United Kingdom 2 0.1%
18 Saudi Arabia 1 0.1%