Hello guys. please take a look and give me advice.

Viewed traffic * 2,229
5,069
(2.27 visits/visitor) 19,189
(3.78 Pages/Visit) 56,236
(11.09 Hits/Visit) 413.92 MB
(83.61 KB/Visit)
Not viewed traffic *
19,803 25,698 142.91 MB

and this.

Robots/Spiders visitors (Top 25) - Full list - Last visit
16 different robots* Hits Bandwidth Last visit
Unknown robot (identified by 'bot*') 3,162+383 36.68 MB 23 Jul 2012 - 07:29
Unknown robot (identified by 'robot') 1,795+43 12.11 MB 23 Jul 2012 - 06:59
Unknown robot (identified by '*bot') 917+489 24.00 MB 23 Jul 2012 - 01:50
Googlebot 1,304+54 5.96 MB 23 Jul 2012 - 07:26
Unknown robot (identified by 'spider') 961+84 6.03 MB 23 Jul 2012 - 05:11
Unknown robot (identified by empty user agent string) 754+15 9.98 MB 23 Jul 2012 - 07:17
Unknown robot (identified by 'crawl') 662+50 7.78 MB 23 Jul 2012 - 07:29
Unknown robot (identified by 'checker') 425 11.65 MB 19 Jul 2012 - 01:18
MSNBot 274+28 1.71 MB 23 Jul 2012 - 06:24
Unknown robot (identified by hit on 'robots.txt') 0+263 80.57 KB 23 Jul 2012 - 06:38
Alexa (IA Archiver) 144+46 3.23 MB 22 Jul 2012 - 21:06
Yahoo Slurp 132+41 917.40 KB 23 Jul 2012 - 04:55
Voyager 8 0 19 Jul 2012 - 07:48
Voila 4+3 29.59 KB 20 Jul 2012 - 19:15
MSNBot-media 1+4 5.79 KB 19 Jul 2012 - 19:07
Netcraft 1 24.83 KB 06 Jul 2012 - 12:55
* Robots shown here gave hits or traffic "not viewed" by visitors, so they are not included in other charts. Numbers after + are successful hits on "robots.txt" files.
i think this to much bandwidth, so how to minimal the bandwidth at Bot??thanks guys