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 176 46.6%
2 United States 75 19.8%
3 Germany 40 10.6%
4 Netherlands 36 9.5%
5 Canada 14 3.7%
6 Turkey 13 3.4%
7 Taiwan 7 1.9%
8 Hong Kong 5 1.3%
9 India 2 0.5%
10 Korea, Republic of 2 0.5%
11 Macao 2 0.5%
12 Singapore 2 0.5%
13 New Zealand 2 0.5%
14 Philippines 1 0.3%
15 Ukraine 1 0.3%