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 30 35.7%
2 United States 22 26.2%
3 Germany 9 10.7%
4 Netherlands 8 9.5%
5 Hong Kong 5 6%
6 New Zealand 2 2.4%
7 France 2 2.4%
8 United Kingdom 2 2.4%
9 Norway 1 1.2%
10 Jamaica 1 1.2%
11 Japan 1 1.2%
12 Moldova, Republic of 1 1.2%