National Association A: ≥ 200 members

National Association B: ≥ 75 < 200 members

National Association C: < 75 members

Corporate Tier 1: turnover ≥ US$50m

Corporate Tier 2: turnover ≥ US$20m < US$50m

Corporate Tier 3: turnover ≥ US$2m < US$20m

Corporate Tier 4: turnover < US$2m

Other: Academic Institutions, municipalities, local authorities, finance companies, lawyers, accountants

* Discount for non-OECD countries: 50% off above prices