R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(jan/00	41086,feb/00	39690,mrt/00	43129,apr/00	37863,mei/00	35953,jun/00	29133,jul/00	24693,aug/00	22205,sep/00	21725,okt/00	27192,nov/00	21790,dec/00	13253,jan/01	37702,feb/01	30364,mrt/01	32609,apr/01	30212,mei/01	29965,jun/01	28352,jul/01	25814,aug/01	22414,sep/01	20506,okt/01	28806,nov/01	22228,dec/01	13971,jan/02	36845,feb/02	35338,mrt/02	35022,apr/02	34777,mei/02	26887,jun/02	23970,jul/02	22780,aug/02	17351,sep/02	21382,okt/02	24561,nov/02	17409,dec/02	11514,jan/03	31514,feb/03	27071,mrt/03	29462,apr/03	26105,mei/03	22397,jun/03	23843,jul/03	21705,aug/03	18089,sep/03	20764,okt/03	25316,nov/03	17704,dec/03	15548,jan/04	28029,feb/04	29383,mrt/04	36438,apr/04	32034,mei/04	22679,jun/04	24319,jul/04	18004,aug/04	17537,sep/04	20366,okt/04	22782,nov/04	19169,dec/04	13807,jan/05	29743,feb/05	25591,mrt/05	29096,apr/05	26482,mei/05	22405,jun/05	27044,jul/05	17970,aug/05	18730,sep/05	19684,okt/05	19785,nov/05	18479,dec/05	10698)
Error: unexpected numeric constant in "x <- c(jan/00   41086"
Execution halted