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 236 62.6%
2 United States 73 19.4%
3 Germany 39 10.3%
4 Hong Kong 6 1.6%
5 Malaysia 4 1.1%
6 Netherlands 4 1.1%
7 Russia 3 0.8%
8 Turkey 2 0.5%
9 United Kingdom 2 0.5%
10 New Zealand 2 0.5%
11 Chile 2 0.5%
12 Moldova, Republic of 2 0.5%
13 Austria 1 0.3%
14 Singapore 1 0.3%