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 237 60.5%
2 United States 65 16.6%
3 Germany 43 11%
4 Hong Kong 8 2%
5 United Kingdom 8 2%
6 Netherlands 6 1.5%
7 Malaysia 4 1%
8 Australia 4 1%
9 Russia 3 0.8%
10 Taiwan 3 0.8%
11 Japan 2 0.5%
12 Canada 2 0.5%
13 Colombia 2 0.5%
14 India 2 0.5%
15 Iran, Islamic Republic of 1 0.3%
16 Turkey 1 0.3%
17 Ukraine 1 0.3%