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 190 59.6%
2 United States 40 12.5%
3 Germany 31 9.7%
4 Netherlands 17 5.3%
5 Canada 11 3.4%
6 Japan 7 2.2%
7 Singapore 7 2.2%
8 Australia 4 1.3%
9 Korea, Republic of 2 0.6%
10 Malaysia 2 0.6%
11 Spain 2 0.6%
12 Taiwan 2 0.6%
13 Turkey 1 0.3%
14 Uganda 1 0.3%
15 New Zealand 1 0.3%
16 Hong Kong 1 0.3%