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 880 51.9%
2 United States 271 16%
3 Netherlands 232 13.7%
4 Germany 96 5.7%
5 France 86 5.1%
6 Russia 54 3.2%
7 Taiwan 20 1.2%
8 Czech Republic 17 1%
9 Canada 15 0.9%
10 India 4 0.2%
11 Ukraine 3 0.2%
12 Hong Kong 3 0.2%
13 Portugal 2 0.1%
14 United Arab Emirates 2 0.1%
15 Sweden 2 0.1%
16 Jamaica 2 0.1%
17 Japan 2 0.1%
18 Mauritius 2 0.1%
19 Egypt 2 0.1%