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 180 56.2%
2 United States 54 16.9%
3 Germany 27 8.4%
4 Hong Kong 12 3.8%
5 Netherlands 11 3.4%
6 Canada 10 3.1%
7 Singapore 7 2.2%
8 Taiwan 5 1.6%
9 Ireland 4 1.2%
10 Malaysia 3 0.9%
11 Romania 2 0.6%
12 France 2 0.6%
13 Brazil 1 0.3%
14 Macao 1 0.3%
15 Indonesia 1 0.3%