

Hello,
I'm trying plot a graph,  but the x-axis is not appearing.What am I doing wrong?
xx
2000 42001 72002 82003 92004 22005 1
x<-read.table("xx.txt", header=FALSE)
plot(x,type="o",axes=FALSE,xlab="year",ylab="cases")
axis(1,at=1:6, lab=c("2000","2001","2002","2003","2004","2005"))
axis(2,0:9)
Help me!

 		 	   		  
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