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 157 48.3%
2 United States 86 26.5%
3 Germany 30 9.2%
4 Hong Kong 28 8.6%
5 Japan 4 1.2%
6 Canada 4 1.2%
7 Netherlands 3 0.9%
8 Norway 2 0.6%
9 Romania 2 0.6%
10 Macao 2 0.6%
11 United Arab Emirates 2 0.6%
12 Brazil 1 0.3%
13 Viet Nam 1 0.3%
14 Morocco 1 0.3%
15 Singapore 1 0.3%
16 Taiwan 1 0.3%