Attrition weight ACH03WT_P 10370 2003 (PISA population) Final weight WT2004 9378 2004 Attrition weight ACH04WT 9378 2004 Final weight WT2004P 9378 2004 (PISA population) Attrition weight ACH04WT_P 9378 2004 (PISA population) Final weight WT2005 8691 2005 Attrition weight ACH05WT 8691 2005 Final weight WT2005P 8691 2005 (PISA population) Attrition weight ACH05WT_P 8691 2005 (PISA population) Final weight WT2006 7721 2006 Attrition weight ACH06WT 7721 2006 Final weight WT2006P 7721 2006 (PISA population) Attrition weight ACH06WT_P 7721 2006 (PISA population) Final weight WT2007 6658 2007 Attrition weight ACH07WT 6658 2007 Final weight WT2007P 6658 2007 (PISA population) Attrition weight ACH07WT_P 6658 2007 (PISA population) Final weight WT2008 6074 2008 Attrition weight ACH08WT 6074 2008 Final weight WT2008P 6074 2008 (PISA population) Attrition weight ACH08WT_P 6074 2008 (PISA population) Final weight WT2009 5475 2009 Attrition weight ACH09WT 5475 2009 Final weight WT2009P 5475 2009 (PISA population)
Attrition weight 2003 (PISA population) ACH03WT_P 10370 Final weight 2004 WT2004 9378 Attrition weight 2004 ACH04WT 9378 Final weight 2004 (PISA population) WT2004P 9378 Attrition weight 2004 (PISA population) ACH04WT_P 9378 Final weight 2005 WT2005 8691 Attrition weight 2005 ACH05WT 8691 Final weight 2005 (PISA population) WT2005P 8691 Attrition weight 2005 (PISA population) ACH05WT_P 8691 Final weight 2006 WT2006 7721 Attrition weight 2006 ACH06WT 7721 Final weight 2006 (PISA population) WT2006P 7721 Attrition weight 2006 (PISA population) ACH06WT_P 7721 Final weight 2007 WT2007 6658 Attrition weight 2007 ACH07WT 6658 Final weight 2007 (PISA population) WT2007P 6658 Attrition weight 2007 (PISA population) ACH07WT_P 6658 Final weight 2008 WT2008 6074 Attrition weight 2008 ACH08WT 6074 Final weight 2008 (PISA population) WT2008P 6074 Attrition weight 2008 (PISA population) ACH08WT_P 6074 Final weight 2009 WT2009 5475 Attrition weight 2009 ACH09WT 5475 Final weight 2009 (PISA population) WT2009P 5475