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 514 48.9%
2 United States 210 20%
3 Netherlands 129 12.3%
4 Germany 76 7.2%
5 France 52 4.9%
6 Canada 26 2.5%
7 Taiwan 8 0.8%
8 Japan 7 0.7%
9 India 6 0.6%
10 Hong Kong 4 0.4%
11 Russia 4 0.4%
12 Brazil 3 0.3%
13 Belgium 2 0.2%
14 Ireland 2 0.2%
15 Sweden 2 0.2%
16 Malaysia 2 0.2%
17 North Macedonia 2 0.2%
18 Norway 1 0.1%
19 United Kingdom 1 0.1%