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 253 58.4%
2 United States 76 17.6%
3 Germany 40 9.2%
4 Netherlands 23 5.3%
5 Hong Kong 20 4.6%
6 Taiwan 9 2.1%
7 Japan 6 1.4%
8 India 2 0.5%
9 France 1 0.2%
10 Macao 1 0.2%
11 Singapore 1 0.2%
12 Australia 1 0.2%