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 260 51.9%
2 United States 124 24.8%
3 Germany 57 11.4%
4 Hong Kong 18 3.6%
5 Netherlands 14 2.8%
6 Canada 8 1.6%
7 New Zealand 6 1.2%
8 India 2 0.4%
9 Ireland 2 0.4%
10 Japan 2 0.4%
11 Taiwan 2 0.4%
12 Australia 2 0.4%
13 Brazil 1 0.2%
14 Macao 1 0.2%
15 Russia 1 0.2%
16 Singapore 1 0.2%