BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 27 28.4%
2 Netherlands 20 21.1%
3 United States 15 15.8%
4 Germany 13 13.7%
5 Hong Kong 4 4.2%
6 Russia 2 2.1%
7 Taiwan 2 2.1%
8 Turkmenistan 1 1.1%
9 Ukraine 1 1.1%
10 United Kingdom 1 1.1%
11 Sweden 1 1.1%
12 Romania 1 1.1%
13 India 1 1.1%
14 Israel 1 1.1%
15 Japan 1 1.1%
16 Moldova, Republic of 1 1.1%
17 Denmark 1 1.1%
18 Brazil 1 1.1%
19 Canada 1 1.1%