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 520 46.6%
2 United States 279 25%
3 Netherlands 89 8%
4 France 55 4.9%
5 Germany 49 4.4%
6 Canada 26 2.3%
7 Korea, Republic of 16 1.4%
8 Russia 14 1.3%
9 Turkey 12 1.1%
10 Singapore 11 1%
11 Taiwan 10 0.9%
12 Ireland 7 0.6%
13 Hong Kong 7 0.6%
14 India 4 0.4%
15 Indonesia 2 0.2%
16 Japan 2 0.2%
17 Saint Kitts and Nevis 2 0.2%
18 Hungary 2 0.2%
19 Brazil 2 0.2%
20 Sweden 2 0.2%
21 United Kingdom 2 0.2%
22 Estonia 1 0.1%
23 Finland 1 0.1%
24 Malaysia 1 0.1%