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 219 58.1%
2 United States 52 13.8%
3 Germany 40 10.6%
4 France 25 6.6%
5 Taiwan 13 3.4%
6 Hong Kong 6 1.6%
7 Netherlands 5 1.3%
8 Japan 4 1.1%
9 Australia 4 1.1%
10 Canada 3 0.8%
11 Bulgaria 2 0.5%
12 Macao 2 0.5%
13 Singapore 1 0.3%
14 Ukraine 1 0.3%