contact_id,email,segment,region,age,ltv,score,last_engagement_days,source,consent
LEAD-001,a@mkt.com,Enterprise,NA-East,42,12400,87,3,LinkedIn,true
LEAD-002,b@mkt.com,SMB,NA-West,,3200,62,12,Google,true
LEAD-003,c@mkt.com,SMB,EU,29,1800,N/A,7,unknown,true
LEAD-004,d@mkt.com,Enterprise,NA-East,55,,91,1,Webinar,true
LEAD-005,e@mkt.com,Mid-Market,NA-West,38,5600,74,,Referral,true
LEAD-006,f@mkt.com,SMB,EU,,2100,55,21,-,
LEAD-007,g@mkt.com,Enterprise,APAC,47,9800,82,5,LinkedIn,true
LEAD-008,h@mkt.com,SMB,NA-East,33,2900,,9,Google,
LEAD-009,i@mkt.com,Mid-Market,EU,41,4750,68,15,NULL,true
LEAD-010,j@mkt.com,Enterprise,NA-West,,11200,89,2,Webinar,true
LEAD-011,k@mkt.com,SMB,APAC,28,1650,58,18,(blank),true
LEAD-012,l@mkt.com,Mid-Market,NA-East,36,5100,,11,Referral,true
LEAD-013,m@mkt.com,SMB,EU,31,2300,61,N/A,Google,true
LEAD-014,n@mkt.com,Enterprise,APAC,52,10500,93,4,LinkedIn,true
LEAD-015,o@mkt.com,SMB,NA-West,26,1400,49,25,?,
