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 193 52.6%
2 United States 92 25.1%
3 Germany 53 14.4%
4 Hong Kong 7 1.9%
5 Australia 4 1.1%
6 Netherlands 3 0.8%
7 Canada 3 0.8%
8 Taiwan 2 0.5%
9 India 2 0.5%
10 Macao 2 0.5%
11 Moldova, Republic of 2 0.5%
12 Romania 1 0.3%
13 Singapore 1 0.3%
14 Brazil 1 0.3%
15 Ukraine 1 0.3%