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 186 42.9%
2 United States 170 39.2%
3 Germany 44 10.1%
4 Taiwan 10 2.3%
5 Malaysia 4 0.9%
6 Netherlands 4 0.9%
7 Algeria 2 0.5%
8 Chile 2 0.5%
9 Hong Kong 2 0.5%
10 Japan 2 0.5%
11 Korea, Republic of 2 0.5%
12 Russia 2 0.5%
13 United Kingdom 2 0.5%
14 Ukraine 1 0.2%
15 Norway 1 0.2%