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 415 48.1%
2 United States 181 21%
3 Netherlands 103 11.9%
4 Germany 70 8.1%
5 France 29 3.4%
6 Canada 24 2.8%
7 Hong Kong 9 1%
8 Russia 5 0.6%
9 Ukraine 4 0.5%
10 Taiwan 3 0.3%
11 Norway 3 0.3%
12 Korea, Republic of 3 0.3%
13 India 3 0.3%
14 Ireland 2 0.2%
15 Luxembourg 2 0.2%
16 United Kingdom 2 0.2%
17 Thailand 1 0.1%
18 Malaysia 1 0.1%
19 Brazil 1 0.1%
20 Viet Nam 1 0.1%