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 659 59.2%
2 Netherlands 150 13.5%
3 United States 146 13.1%
4 Germany 39 3.5%
5 Taiwan 32 2.9%
6 Hong Kong 19 1.7%
7 Bulgaria 15 1.3%
8 Canada 14 1.3%
9 France 10 0.9%
10 India 7 0.6%
11 Sweden 6 0.5%
12 Macao 4 0.4%
13 Brazil 3 0.3%
14 Korea, Republic of 3 0.3%
15 Iran, Islamic Republic of 3 0.3%
16 Singapore 2 0.2%
17 Ireland 1 0.1%
18 Israel 1 0.1%