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 243 54.1%
2 United States 100 22.3%
3 Taiwan 37 8.2%
4 Germany 33 7.3%
5 Netherlands 10 2.2%
6 Malaysia 7 1.6%
7 Hong Kong 6 1.3%
8 Russia 3 0.7%
9 Singapore 3 0.7%
10 Switzerland 2 0.4%
11 Qatar 2 0.4%
12 Canada 2 0.4%
13 Romania 1 0.2%