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 458 42.8%
2 United States 335 31.3%
3 Netherlands 79 7.4%
4 Poland 42 3.9%
5 Germany 32 3%
6 United Kingdom 27 2.5%
7 France 20 1.9%
8 Hong Kong 17 1.6%
9 Russia 14 1.3%
10 Japan 9 0.8%
11 Portugal 7 0.7%
12 6 0.6%
13 Ireland 5 0.5%
14 Taiwan 4 0.4%
15 India 3 0.3%
16 Canada 3 0.3%
17 Moldova, Republic of 3 0.3%
18 Uzbekistan 2 0.2%
19 Finland 1 0.1%
20 Ukraine 1 0.1%
21 Sweden 1 0.1%
22 Korea, Republic of 1 0.1%
23 Malaysia 1 0.1%