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 148 42.8%
2 United States 99 28.6%
3 Germany 32 9.2%
4 Canada 30 8.7%
5 Denmark 6 1.7%
6 Japan 5 1.4%
7 Australia 4 1.2%
8 Ukraine 4 1.2%
9 New Zealand 3 0.9%
10 Russia 3 0.9%
11 Singapore 2 0.6%
12 Taiwan 2 0.6%
13 Azerbaijan 2 0.6%
14 France 2 0.6%
15 Malaysia 2 0.6%
16 Greece 1 0.3%
17 Hong Kong 1 0.3%