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 412 46.5%
2 United States 185 20.9%
3 Netherlands 154 17.4%
4 Germany 62 7%
5 Canada 18 2%
6 Sweden 18 2%
7 Hong Kong 9 1%
8 France 8 0.9%
9 Taiwan 4 0.5%
10 Brazil 4 0.5%
11 Czech Republic 3 0.3%
12 Singapore 2 0.2%
13 India 2 0.2%
14 Korea, Republic of 2 0.2%
15 Angola 1 0.1%
16 Australia 1 0.1%
17 Norway 1 0.1%