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In its 60 years of existence, the field of nonlinear optics (NLO) has witnessed tremendous growth, and it has been gaining additional momentum over the past two decades thanks to major breakthroughs in materials science and technology. However, a data table providing an overview of these post-2000 developments in NLO has not yet been presented. Here, we introduce a new set of NLO data tables based on a representative collection of experimental works published since 2000 for different material categories (bulk materials, solvents, 0D-1D-2D materials, metamaterials, fiber waveguiding materials, on-chip waveguiding materials, hybrid waveguiding systems, and THz NLO materials) [1]. The data tables are mostly focused on experimental papers that not only provided NLO coefficients, but also reported experimental parameters that give the context and limits of validity for using the quoted coefficient values. In this regard, we decided to also include in our work a list of best practices for performing and reporting NLO experiments [1].