BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 47 37.6%
2 China 44 35.2%
3 Germany 14 11.2%
4 Hong Kong 6 4.8%
5 Netherlands 6 4.8%
6 New Zealand 1 0.8%
7 Portugal 1 0.8%
8 Singapore 1 0.8%
9 Taiwan 1 0.8%
10 United Kingdom 1 0.8%
11 Moldova, Republic of 1 0.8%
12 France 1 0.8%
13 Australia 1 0.8%